From dccf124ff35976609f4dc9a56ac3d49aa7a7b029 Mon Sep 17 00:00:00 2001
From: "Carsten Haitzler (Rasterman)" <raster@rasterman.com>
Date: Tue, 6 Aug 2019 18:53:30 +0100
Subject: [PATCH] mixer backend - fix null checks to cover all uses

fix CID 1403937
---
 src/modules/mixer/gadget/backend.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/modules/mixer/gadget/backend.c b/src/modules/mixer/gadget/backend.c
index 89c2e3d0a..52e44e0ca 100644
--- a/src/modules/mixer/gadget/backend.c
+++ b/src/modules/mixer/gadget/backend.c
@@ -1325,9 +1325,12 @@ backend_sink_default_set(const Emix_Sink *s)
 {
    if (_sink_default != s)
      {
-        DBG("Sink default set %s", s->name);
         _sink_default = s;
-        if (s) emix_config_save_sink_set(s->name);
+        if (s)
+          {
+             DBG("Sink default set %s", s->name);
+             emix_config_save_sink_set(s->name);
+          }
         _backend_changed();
      }
 }